--- /dev/null
+'use strict';
+
+exports.__esModule = true;
+
+var _window = require('global/window');
+
+var _window2 = _interopRequireDefault(_window);
+
+var _dom = require('./utils/dom.js');
+
+var Dom = _interopRequireWildcard(_dom);
+
+var _fn = require('./utils/fn.js');
+
+var Fn = _interopRequireWildcard(_fn);
+
+var _guid = require('./utils/guid.js');
+
+var Guid = _interopRequireWildcard(_guid);
+
+var _events = require('./utils/events.js');
+
+var Events = _interopRequireWildcard(_events);
+
+var _log = require('./utils/log.js');
+
+var _log2 = _interopRequireDefault(_log);
+
+var _toTitleCase = require('./utils/to-title-case.js');
+
+var _toTitleCase2 = _interopRequireDefault(_toTitleCase);
+
+var _mergeOptions = require('./utils/merge-options.js');
+
+var _mergeOptions2 = _interopRequireDefault(_mergeOptions);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } /**
+ * Player Component - Base class for all UI objects
+ *
+ * @file component.js
+ */
+
+
+/**
+ * Base class for all UI Components.
+ * Components are UI objects which represent both a javascript object and an element
+ * in the DOM. They can be children of other components, and can have
+ * children themselves.
+ *
+ * Components can also use methods from {@link EventTarget}
+ */
+var Component = function () {
+
+ /**
+ * A callback that is called when a component is ready. Does not have any
+ * paramters and any callback value will be ignored.
+ *
+ * @callback Component~ReadyCallback
+ * @this Component
+ */
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ #
+ * @param {Object[]} [options.children]
+ * An array of children objects to intialize this component with. Children objects have
+ * a name property that will be used if more than one component of the same type needs to be
+ * added.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Function that gets called when the `Component` is ready.
+ */
+ function Component(player, options, ready) {
+ _classCallCheck(this, Component);
+
+ // The component might be the player itself and we can't pass `this` to super
+ if (!player && this.play) {
+ this.player_ = player = this; // eslint-disable-line
+ } else {
+ this.player_ = player;
+ }
+
+ // Make a copy of prototype.options_ to protect against overriding defaults
+ this.options_ = (0, _mergeOptions2['default'])({}, this.options_);
+
+ // Updated options with supplied options
+ options = this.options_ = (0, _mergeOptions2['default'])(this.options_, options);
+
+ // Get ID from options or options element if one is supplied
+ this.id_ = options.id || options.el && options.el.id;
+
+ // If there was no ID from the options, generate one
+ if (!this.id_) {
+ // Don't require the player ID function in the case of mock players
+ var id = player && player.id && player.id() || 'no_player';
+
+ this.id_ = id + '_component_' + Guid.newGUID();
+ }
+
+ this.name_ = options.name || null;
+
+ // Create element if one wasn't provided in options
+ if (options.el) {
+ this.el_ = options.el;
+ } else if (options.createEl !== false) {
+ this.el_ = this.createEl();
+ }
+
+ this.children_ = [];
+ this.childIndex_ = {};
+ this.childNameIndex_ = {};
+
+ // Add any child components in options
+ if (options.initChildren !== false) {
+ this.initChildren();
+ }
+
+ this.ready(ready);
+ // Don't want to trigger ready here or it will before init is actually
+ // finished for all children that run this constructor
+
+ if (options.reportTouchActivity !== false) {
+ this.enableTouchActivity();
+ }
+ }
+
+ /**
+ * Dispose of the `Component` and all child components.
+ *
+ * @fires Component#dispose
+ */
+
+
+ Component.prototype.dispose = function dispose() {
+
+ /**
+ * Triggered when a `Component` is disposed.
+ *
+ * @event Component#dispose
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up
+ */
+ this.trigger({ type: 'dispose', bubbles: false });
+
+ // Dispose all children.
+ if (this.children_) {
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i].dispose) {
+ this.children_[i].dispose();
+ }
+ }
+ }
+
+ // Delete child references
+ this.children_ = null;
+ this.childIndex_ = null;
+ this.childNameIndex_ = null;
+
+ // Remove all event listeners.
+ this.off();
+
+ // Remove element from DOM
+ if (this.el_.parentNode) {
+ this.el_.parentNode.removeChild(this.el_);
+ }
+
+ Dom.removeElData(this.el_);
+ this.el_ = null;
+ };
+
+ /**
+ * Return the {@link Player} that the `Component` has attached to.
+ *
+ * @return {Player}
+ * The player that this `Component` has attached to.
+ */
+
+
+ Component.prototype.player = function player() {
+ return this.player_;
+ };
+
+ /**
+ * Deep merge of options objects with new options.
+ * > Note: When both `obj` and `options` contain properties whose values are objects.
+ * The two properties get merged using {@link module:mergeOptions}
+ *
+ * @param {Object} obj
+ * The object that contains new options.
+ *
+ * @return {Object}
+ * A new object of `this.options_` and `obj` merged together.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Component.prototype.options = function options(obj) {
+ _log2['default'].warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
+
+ if (!obj) {
+ return this.options_;
+ }
+
+ this.options_ = (0, _mergeOptions2['default'])(this.options_, obj);
+ return this.options_;
+ };
+
+ /**
+ * Get the `Component`s DOM element
+ *
+ * @return {Element}
+ * The DOM element for this `Component`.
+ */
+
+
+ Component.prototype.el = function el() {
+ return this.el_;
+ };
+
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tagName]
+ * Element's DOM node type. e.g. 'div'
+ *
+ * @param {Object} [properties]
+ * An object of properties that should be set.
+ *
+ * @param {Object} [attributes]
+ * An object of attributes that should be set.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Component.prototype.createEl = function createEl(tagName, properties, attributes) {
+ return Dom.createEl(tagName, properties, attributes);
+ };
+
+ /**
+ * Localize a string given the string in english.
+ *
+ * @param {string} string
+ * The string to localize.
+ *
+ * @return {string}
+ * The localized string or if no localization exists the english string.
+ */
+
+
+ Component.prototype.localize = function localize(string) {
+ var code = this.player_.language && this.player_.language();
+ var languages = this.player_.languages && this.player_.languages();
+
+ if (!code || !languages) {
+ return string;
+ }
+
+ var language = languages[code];
+
+ if (language && language[string]) {
+ return language[string];
+ }
+
+ var primaryCode = code.split('-')[0];
+ var primaryLang = languages[primaryCode];
+
+ if (primaryLang && primaryLang[string]) {
+ return primaryLang[string];
+ }
+
+ return string;
+ };
+
+ /**
+ * Return the `Component`s DOM element. This is where children get inserted.
+ * This will usually be the the same as the element returned in {@link Component#el}.
+ *
+ * @return {Element}
+ * The content element for this `Component`.
+ */
+
+
+ Component.prototype.contentEl = function contentEl() {
+ return this.contentEl_ || this.el_;
+ };
+
+ /**
+ * Get this `Component`s ID
+ *
+ * @return {string}
+ * The id of this `Component`
+ */
+
+
+ Component.prototype.id = function id() {
+ return this.id_;
+ };
+
+ /**
+ * Get the `Component`s name. The name gets used to reference the `Component`
+ * and is set during registration.
+ *
+ * @return {string}
+ * The name of this `Component`.
+ */
+
+
+ Component.prototype.name = function name() {
+ return this.name_;
+ };
+
+ /**
+ * Get an array of all child components
+ *
+ * @return {Array}
+ * The children
+ */
+
+
+ Component.prototype.children = function children() {
+ return this.children_;
+ };
+
+ /**
+ * Returns the child `Component` with the given `id`.
+ *
+ * @param {string} id
+ * The id of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `id` or undefined.
+ */
+
+
+ Component.prototype.getChildById = function getChildById(id) {
+ return this.childIndex_[id];
+ };
+
+ /**
+ * Returns the child `Component` with the given `name`.
+ *
+ * @param {string} name
+ * The name of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `name` or undefined.
+ */
+
+
+ Component.prototype.getChild = function getChild(name) {
+ if (!name) {
+ return;
+ }
+
+ name = (0, _toTitleCase2['default'])(name);
+
+ return this.childNameIndex_[name];
+ };
+
+ /**
+ * Add a child `Component` inside the current `Component`.
+ *
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @param {number} [index=this.children_.length]
+ * The index to attempt to add a child into.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ */
+
+
+ Component.prototype.addChild = function addChild(child) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
+
+ var component = void 0;
+ var componentName = void 0;
+
+ // If child is a string, create component with options
+ if (typeof child === 'string') {
+ componentName = (0, _toTitleCase2['default'])(child);
+
+ // Options can also be specified as a boolean,
+ // so convert to an empty object if false.
+ if (!options) {
+ options = {};
+ }
+
+ // Same as above, but true is deprecated so show a warning.
+ if (options === true) {
+ _log2['default'].warn('Initializing a child component with `true` is deprecated.' + 'Children should be defined in an array when possible, ' + 'but if necessary use an object instead of `true`.');
+ options = {};
+ }
+
+ var componentClassName = options.componentClass || componentName;
+
+ // Set name through options
+ options.name = componentName;
+
+ // Create a new object & element for this controls set
+ // If there's no .player_, this is a player
+ var ComponentClass = Component.getComponent(componentClassName);
+
+ if (!ComponentClass) {
+ throw new Error('Component ' + componentClassName + ' does not exist');
+ }
+
+ // data stored directly on the videojs object may be
+ // misidentified as a component to retain
+ // backwards-compatibility with 4.x. check to make sure the
+ // component class can be instantiated.
+ if (typeof ComponentClass !== 'function') {
+ return null;
+ }
+
+ component = new ComponentClass(this.player_ || this, options);
+
+ // child is a component instance
+ } else {
+ component = child;
+ }
+
+ this.children_.splice(index, 0, component);
+
+ if (typeof component.id === 'function') {
+ this.childIndex_[component.id()] = component;
+ }
+
+ // If a name wasn't used to create the component, check if we can use the
+ // name function of the component
+ componentName = componentName || component.name && (0, _toTitleCase2['default'])(component.name());
+
+ if (componentName) {
+ this.childNameIndex_[componentName] = component;
+ }
+
+ // Add the UI object's element to the container div (box)
+ // Having an element is not required
+ if (typeof component.el === 'function' && component.el()) {
+ var childNodes = this.contentEl().children;
+ var refNode = childNodes[index] || null;
+
+ this.contentEl().insertBefore(component.el(), refNode);
+ }
+
+ // Return so it can stored on parent object if desired.
+ return component;
+ };
+
+ /**
+ * Remove a child `Component` from this `Component`s list of children. Also removes
+ * the child `Component`s element from this `Component`s element.
+ *
+ * @param {Component} component
+ * The child `Component` to remove.
+ */
+
+
+ Component.prototype.removeChild = function removeChild(component) {
+ if (typeof component === 'string') {
+ component = this.getChild(component);
+ }
+
+ if (!component || !this.children_) {
+ return;
+ }
+
+ var childFound = false;
+
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i] === component) {
+ childFound = true;
+ this.children_.splice(i, 1);
+ break;
+ }
+ }
+
+ if (!childFound) {
+ return;
+ }
+
+ this.childIndex_[component.id()] = null;
+ this.childNameIndex_[component.name()] = null;
+
+ var compEl = component.el();
+
+ if (compEl && compEl.parentNode === this.contentEl()) {
+ this.contentEl().removeChild(component.el());
+ }
+ };
+
+ /**
+ * Add and initialize default child `Component`s based upon options.
+ */
+
+
+ Component.prototype.initChildren = function initChildren() {
+ var _this = this;
+
+ var children = this.options_.children;
+
+ if (children) {
+ // `this` is `parent`
+ var parentOptions = this.options_;
+
+ var handleAdd = function handleAdd(child) {
+ var name = child.name;
+ var opts = child.opts;
+
+ // Allow options for children to be set at the parent options
+ // e.g. videojs(id, { controlBar: false });
+ // instead of videojs(id, { children: { controlBar: false });
+ if (parentOptions[name] !== undefined) {
+ opts = parentOptions[name];
+ }
+
+ // Allow for disabling default components
+ // e.g. options['children']['posterImage'] = false
+ if (opts === false) {
+ return;
+ }
+
+ // Allow options to be passed as a simple boolean if no configuration
+ // is necessary.
+ if (opts === true) {
+ opts = {};
+ }
+
+ // We also want to pass the original player options
+ // to each component as well so they don't need to
+ // reach back into the player for options later.
+ opts.playerOptions = _this.options_.playerOptions;
+
+ // Create and add the child component.
+ // Add a direct reference to the child by name on the parent instance.
+ // If two of the same component are used, different names should be supplied
+ // for each
+ var newChild = _this.addChild(name, opts);
+
+ if (newChild) {
+ _this[name] = newChild;
+ }
+ };
+
+ // Allow for an array of children details to passed in the options
+ var workingChildren = void 0;
+ var Tech = Component.getComponent('Tech');
+
+ if (Array.isArray(children)) {
+ workingChildren = children;
+ } else {
+ workingChildren = Object.keys(children);
+ }
+
+ workingChildren
+ // children that are in this.options_ but also in workingChildren would
+ // give us extra children we do not want. So, we want to filter them out.
+ .concat(Object.keys(this.options_).filter(function (child) {
+ return !workingChildren.some(function (wchild) {
+ if (typeof wchild === 'string') {
+ return child === wchild;
+ }
+ return child === wchild.name;
+ });
+ })).map(function (child) {
+ var name = void 0;
+ var opts = void 0;
+
+ if (typeof child === 'string') {
+ name = child;
+ opts = children[name] || _this.options_[name] || {};
+ } else {
+ name = child.name;
+ opts = child;
+ }
+
+ return { name: name, opts: opts };
+ }).filter(function (child) {
+ // we have to make sure that child.name isn't in the techOrder since
+ // techs are registerd as Components but can't aren't compatible
+ // See https://github.com/videojs/video.js/issues/2772
+ var c = Component.getComponent(child.opts.componentClass || (0, _toTitleCase2['default'])(child.name));
+
+ return c && !Tech.isTech(c);
+ }).forEach(handleAdd);
+ }
+ };
+
+ /**
+ * Builds the default DOM class name. Should be overriden by sub-components.
+ *
+ * @return {string}
+ * The DOM class name for this object.
+ *
+ * @abstract
+ */
+
+
+ Component.prototype.buildCSSClass = function buildCSSClass() {
+ // Child classes can include a function that does:
+ // return 'CLASS NAME' + this._super();
+ return '';
+ };
+
+ /**
+ * Add an `event listener` to this `Component`s element.
+ *
+ * The benefit of using this over the following:
+ * - `VjsEvents.on(otherElement, 'eventName', myFunc)`
+ * - `otherComponent.on('eventName', myFunc)`
+ *
+ * 1. Is that the listeners will get cleaned up when either component gets disposed.
+ * 1. It will also bind `myComponent` as the context of `myFunc`.
+ * > NOTE: If you remove the element from the DOM that has used `on` you need to
+ * clean up references using: `myComponent.trigger(el, 'dispose')`
+ * This will also allow the browser to garbage collect it. In special
+ * cases such as with `window` and `document`, which are both permanent,
+ * this is not necessary.
+ *
+ * @param {string|Component|string[]} [first]
+ * The event name, and array of event names, or another `Component`.
+ *
+ * @param {EventTarget~EventListener|string|string[]} [second]
+ * The listener function, an event name, or an Array of events names.
+ *
+ * @param {EventTarget~EventListener} [third]
+ * The event handler if `first` is a `Component` and `second` is an event name
+ * or an Array of event names.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ *
+ * @listens Component#dispose
+ */
+
+
+ Component.prototype.on = function on(first, second, third) {
+ var _this2 = this;
+
+ if (typeof first === 'string' || Array.isArray(first)) {
+ Events.on(this.el_, first, Fn.bind(this, second));
+
+ // Targeting another component or element
+ } else {
+ var target = first;
+ var type = second;
+ var fn = Fn.bind(this, third);
+
+ // When this component is disposed, remove the listener from the other component
+ var removeOnDispose = function removeOnDispose() {
+ return _this2.off(target, type, fn);
+ };
+
+ // Use the same function ID so we can remove it later it using the ID
+ // of the original listener
+ removeOnDispose.guid = fn.guid;
+ this.on('dispose', removeOnDispose);
+
+ // If the other component is disposed first we need to clean the reference
+ // to the other component in this component's removeOnDispose listener
+ // Otherwise we create a memory leak.
+ var cleanRemover = function cleanRemover() {
+ return _this2.off('dispose', removeOnDispose);
+ };
+
+ // Add the same function ID so we can easily remove it later
+ cleanRemover.guid = fn.guid;
+
+ // Check if this is a DOM node
+ if (first.nodeName) {
+ // Add the listener to the other element
+ Events.on(target, type, fn);
+ Events.on(target, 'dispose', cleanRemover);
+
+ // Should be a component
+ // Not using `instanceof Component` because it makes mock players difficult
+ } else if (typeof first.on === 'function') {
+ // Add the listener to the other component
+ target.on(type, fn);
+ target.on('dispose', cleanRemover);
+ }
+ }
+
+ return this;
+ };
+
+ /**
+ * Remove an event listener from this `Component`s element. If the second argument is
+ * exluded all listeners for the type passed in as the first argument will be removed.
+ *
+ * @param {string|Component|string[]} [first]
+ * The event name, and array of event names, or another `Component`.
+ *
+ * @param {EventTarget~EventListener|string|string[]} [second]
+ * The listener function, an event name, or an Array of events names.
+ *
+ * @param {EventTarget~EventListener} [third]
+ * The event handler if `first` is a `Component` and `second` is an event name
+ * or an Array of event names.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.off = function off(first, second, third) {
+ if (!first || typeof first === 'string' || Array.isArray(first)) {
+ Events.off(this.el_, first, second);
+ } else {
+ var target = first;
+ var type = second;
+ // Ensure there's at least a guid, even if the function hasn't been used
+ var fn = Fn.bind(this, third);
+
+ // Remove the dispose listener on this component,
+ // which was given the same guid as the event listener
+ this.off('dispose', fn);
+
+ if (first.nodeName) {
+ // Remove the listener
+ Events.off(target, type, fn);
+ // Remove the listener for cleaning the dispose listener
+ Events.off(target, 'dispose', fn);
+ } else {
+ target.off(type, fn);
+ target.off('dispose', fn);
+ }
+ }
+
+ return this;
+ };
+
+ /**
+ * Add an event listener that gets triggered only once and then gets removed.
+ *
+ * @param {string|Component|string[]} [first]
+ * The event name, and array of event names, or another `Component`.
+ *
+ * @param {EventTarget~EventListener|string|string[]} [second]
+ * The listener function, an event name, or an Array of events names.
+ *
+ * @param {EventTarget~EventListener} [third]
+ * The event handler if `first` is a `Component` and `second` is an event name
+ * or an Array of event names.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.one = function one(first, second, third) {
+ var _this3 = this,
+ _arguments = arguments;
+
+ if (typeof first === 'string' || Array.isArray(first)) {
+ Events.one(this.el_, first, Fn.bind(this, second));
+ } else {
+ var target = first;
+ var type = second;
+ var fn = Fn.bind(this, third);
+
+ var newFunc = function newFunc() {
+ _this3.off(target, type, newFunc);
+ fn.apply(null, _arguments);
+ };
+
+ // Keep the same function ID so we can remove it later
+ newFunc.guid = fn.guid;
+
+ this.on(target, type, newFunc);
+ }
+
+ return this;
+ };
+
+ /**
+ * Trigger an event on an element.
+ *
+ * @param {EventTarget~Event|Object|string} event
+ * The event name, and Event, or an event-like object with a type attribute
+ * set to the event name.
+ *
+ * @param {Object} [hash]
+ * Data hash to pass along with the event
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.trigger = function trigger(event, hash) {
+ Events.trigger(this.el_, event, hash);
+ return this;
+ };
+
+ /**
+ * Bind a listener to the component's ready state. If the ready event has already
+ * happened it will trigger the function immediately.
+ *
+ * @param {Component~ReadyCallback} fn
+ * A function to call when ready is triggered.
+ *
+ * @param {boolean} [sync=false]
+ * Execute the listener synchronously if `Component` is ready.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.ready = function ready(fn) {
+ var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (fn) {
+ if (this.isReady_) {
+ if (sync) {
+ fn.call(this);
+ } else {
+ // Call the function asynchronously by default for consistency
+ this.setTimeout(fn, 1);
+ }
+ } else {
+ this.readyQueue_ = this.readyQueue_ || [];
+ this.readyQueue_.push(fn);
+ }
+ }
+ return this;
+ };
+
+ /**
+ * Trigger all the ready listeners for this `Component`.
+ *
+ * @fires Component#ready
+ */
+
+
+ Component.prototype.triggerReady = function triggerReady() {
+ this.isReady_ = true;
+
+ // Ensure ready is triggerd asynchronously
+ this.setTimeout(function () {
+ var readyQueue = this.readyQueue_;
+
+ // Reset Ready Queue
+ this.readyQueue_ = [];
+
+ if (readyQueue && readyQueue.length > 0) {
+ readyQueue.forEach(function (fn) {
+ fn.call(this);
+ }, this);
+ }
+
+ // Allow for using event listeners also
+ /**
+ * Triggered when a `Component` is ready.
+ *
+ * @event Component#ready
+ * @type {EventTarget~Event}
+ */
+ this.trigger('ready');
+ }, 1);
+ };
+
+ /**
+ * Find a single DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {Element|null}
+ * the dom element that was found, or null
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$ = function $(selector, context) {
+ return Dom.$(selector, context || this.contentEl());
+ };
+
+ /**
+ * Finds all DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {NodeList}
+ * a list of dom elements that were found
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$$ = function $$(selector, context) {
+ return Dom.$$(selector, context || this.contentEl());
+ };
+
+ /**
+ * Check if a component's element has a CSS class name.
+ *
+ * @param {string} classToCheck
+ * CSS class name to check.
+ *
+ * @return {boolean}
+ * - True if the `Component` has the class.
+ * - False if the `Component` does not have the class`
+ */
+
+
+ Component.prototype.hasClass = function hasClass(classToCheck) {
+ return Dom.hasElClass(this.el_, classToCheck);
+ };
+
+ /**
+ * Add a CSS class name to the `Component`s element.
+ *
+ * @param {string} classToAdd
+ * CSS class name to add
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.addClass = function addClass(classToAdd) {
+ Dom.addElClass(this.el_, classToAdd);
+ return this;
+ };
+
+ /**
+ * Remove a CSS class name from the `Component`s element.
+ *
+ * @param {string} classToRemove
+ * CSS class name to remove
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.removeClass = function removeClass(classToRemove) {
+ Dom.removeElClass(this.el_, classToRemove);
+ return this;
+ };
+
+ /**
+ * Add or remove a CSS class name from the component's element.
+ * - `classToToggle` gets added when {@link Component#hasClass} would return false.
+ * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
+ *
+ * @param {string} classToToggle
+ * The class to add or remove based on (@link Component#hasClass}
+ *
+ * @param {boolean|Dom~predicate} [predicate]
+ * An {@link Dom~predicate} function or a boolean
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.toggleClass = function toggleClass(classToToggle, predicate) {
+ Dom.toggleElClass(this.el_, classToToggle, predicate);
+ return this;
+ };
+
+ /**
+ * Show the `Component`s element if it is hidden by removing the
+ * 'vjs-hidden' class name from it.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.show = function show() {
+ this.removeClass('vjs-hidden');
+ return this;
+ };
+
+ /**
+ * Hide the `Component`s element if it is currently showing by adding the
+ * 'vjs-hidden` class name to it.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.hide = function hide() {
+ this.addClass('vjs-hidden');
+ return this;
+ };
+
+ /**
+ * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
+ * class name to it. Used during fadeIn/fadeOut.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ *
+ * @private
+ */
+
+
+ Component.prototype.lockShowing = function lockShowing() {
+ this.addClass('vjs-lock-showing');
+ return this;
+ };
+
+ /**
+ * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
+ * class name from it. Used during fadeIn/fadeOut.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ *
+ * @private
+ */
+
+
+ Component.prototype.unlockShowing = function unlockShowing() {
+ this.removeClass('vjs-lock-showing');
+ return this;
+ };
+
+ /**
+ * Get the value of an attribute on the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to get the value from.
+ *
+ * @return {string|null}
+ * - The value of the attribute that was asked for.
+ * - Can be an empty string on some browsers if the attribute does not exist
+ * or has no value
+ * - Most browsers will return null if the attibute does not exist or has
+ * no value.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
+ */
+
+
+ Component.prototype.getAttribute = function getAttribute(attribute) {
+ return Dom.getAttribute(this.el_, attribute);
+ };
+
+ /**
+ * Set the value of an attribute on the `Component`'s element
+ *
+ * @param {string} attribute
+ * Name of the attribute to set.
+ *
+ * @param {string} value
+ * Value to set the attribute to.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
+ */
+
+
+ Component.prototype.setAttribute = function setAttribute(attribute, value) {
+ Dom.setAttribute(this.el_, attribute, value);
+ return this;
+ };
+
+ /**
+ * Remove an attribute from the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to remove.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
+ */
+
+
+ Component.prototype.removeAttribute = function removeAttribute(attribute) {
+ Dom.removeAttribute(this.el_, attribute);
+ return this;
+ };
+
+ /**
+ * Get or set the width of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The width that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the resize event trigger
+ *
+ * @return {Component|number|string}
+ * - The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ * - Returns itself when setting; method can be chained.
+ */
+
+
+ Component.prototype.width = function width(num, skipListeners) {
+ return this.dimension('width', num, skipListeners);
+ };
+
+ /**
+ * Get or set the height of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The height that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the resize event trigger
+ *
+ * @return {Component|number|string}
+ * - The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ * - Returns itself when setting; method can be chained.
+ */
+
+
+ Component.prototype.height = function height(num, skipListeners) {
+ return this.dimension('height', num, skipListeners);
+ };
+
+ /**
+ * Set both the width and height of the `Component` element at the same time.
+ *
+ * @param {number|string} width
+ * Width to set the `Component`s element to.
+ *
+ * @param {number|string} height
+ * Height to set the `Component`s element to.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.dimensions = function dimensions(width, height) {
+ // Skip resize listeners on width for optimization
+ return this.width(width, true).height(height);
+ };
+
+ /**
+ * Get or set width or height of the `Component` element. This is the shared code
+ * for the {@link Component#width} and {@link Component#height}.
+ *
+ * Things to know:
+ * - If the width or height in an number this will return the number postfixed with 'px'.
+ * - If the width/height is a percent this will return the percent postfixed with '%'
+ * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
+ * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
+ * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
+ * for more information
+ * - If you want the computed style of the component, use {@link Component#currentWidth}
+ * and {@link {Component#currentHeight}
+ *
+ * @fires Component#resize
+ *
+ * @param {string} widthOrHeight
+ 8 'width' or 'height'
+ *
+ * @param {number|string} [num]
+ 8 New dimension
+ *
+ * @param {boolean} [skipListeners]
+ * Skip resize event trigger
+ *
+ * @return {Component}
+ * - the dimension when getting or 0 if unset
+ * - Returns itself when setting; method can be chained.
+ */
+
+
+ Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
+ if (num !== undefined) {
+ // Set to zero if null or literally NaN (NaN !== NaN)
+ if (num === null || num !== num) {
+ num = 0;
+ }
+
+ // Check if using css width/height (% or px) and adjust
+ if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
+ this.el_.style[widthOrHeight] = num;
+ } else if (num === 'auto') {
+ this.el_.style[widthOrHeight] = '';
+ } else {
+ this.el_.style[widthOrHeight] = num + 'px';
+ }
+
+ // skipListeners allows us to avoid triggering the resize event when setting both width and height
+ if (!skipListeners) {
+ /**
+ * Triggered when a component is resized.
+ *
+ * @event Component#resize
+ * @type {EventTarget~Event}
+ */
+ this.trigger('resize');
+ }
+
+ // Return component
+ return this;
+ }
+
+ // Not setting a value, so getting it
+ // Make sure element exists
+ if (!this.el_) {
+ return 0;
+ }
+
+ // Get dimension value from style
+ var val = this.el_.style[widthOrHeight];
+ var pxIndex = val.indexOf('px');
+
+ if (pxIndex !== -1) {
+ // Return the pixel value with no 'px'
+ return parseInt(val.slice(0, pxIndex), 10);
+ }
+
+ // No px so using % or no style was set, so falling back to offsetWidth/height
+ // If component has display:none, offset will return 0
+ // TODO: handle display:none and no dimension style using px
+ return parseInt(this.el_['offset' + (0, _toTitleCase2['default'])(widthOrHeight)], 10);
+ };
+
+ /**
+ * Get the width or the height of the `Component` elements computed style. Uses
+ * `window.getComputedStyle`.
+ *
+ * @param {string} widthOrHeight
+ * A string containing 'width' or 'height'. Whichever one you want to get.
+ *
+ * @return {number}
+ * The dimension that gets asked for or 0 if nothing was set
+ * for that dimension.
+ */
+
+
+ Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
+ var computedWidthOrHeight = 0;
+
+ if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
+ throw new Error('currentDimension only accepts width or height value');
+ }
+
+ if (typeof _window2['default'].getComputedStyle === 'function') {
+ var computedStyle = _window2['default'].getComputedStyle(this.el_);
+
+ computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
+ }
+
+ // remove 'px' from variable and parse as integer
+ computedWidthOrHeight = parseFloat(computedWidthOrHeight);
+
+ // if the computed value is still 0, it's possible that the browser is lying
+ // and we want to check the offset values.
+ // This code also runs on IE8 and wherever getComputedStyle doesn't exist.
+ if (computedWidthOrHeight === 0) {
+ var rule = 'offset' + (0, _toTitleCase2['default'])(widthOrHeight);
+
+ computedWidthOrHeight = this.el_[rule];
+ }
+
+ return computedWidthOrHeight;
+ };
+
+ /**
+ * An object that contains width and height values of the `Component`s
+ * computed style. Uses `window.getComputedStyle`.
+ *
+ * @typedef {Object} Component~DimensionObject
+ *
+ * @property {number} width
+ * The width of the `Component`s computed style.
+ *
+ * @property {number} height
+ * The height of the `Component`s computed style.
+ */
+
+ /**
+ * Get an object that contains width and height values of the `Component`s
+ * computed style.
+ *
+ * @return {Component~DimensionObject}
+ * The dimensions of the components element
+ */
+
+
+ Component.prototype.currentDimensions = function currentDimensions() {
+ return {
+ width: this.currentDimension('width'),
+ height: this.currentDimension('height')
+ };
+ };
+
+ /**
+ * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} width
+ * The width of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentWidth = function currentWidth() {
+ return this.currentDimension('width');
+ };
+
+ /**
+ * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} height
+ * The height of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentHeight = function currentHeight() {
+ return this.currentDimension('height');
+ };
+
+ /**
+ * Set the focus to this component
+ */
+
+
+ Component.prototype.focus = function focus() {
+ this.el_.focus();
+ };
+
+ /**
+ * Remove the focus from this component
+ */
+
+
+ Component.prototype.blur = function blur() {
+ this.el_.blur();
+ };
+
+ /**
+ * Emit a 'tap' events when touch event support gets detected. This gets used to
+ * support toggling the controls through a tap on the video. They get enabled
+ * because every sub-component would have extra overhead otherwise.
+ *
+ * @private
+ * @fires Component#tap
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchleave
+ * @listens Component#touchcancel
+ * @listens Component#touchend
+ */
+
+
+ Component.prototype.emitTapEvents = function emitTapEvents() {
+ // Track the start time so we can determine how long the touch lasted
+ var touchStart = 0;
+ var firstTouch = null;
+
+ // Maximum movement allowed during a touch event to still be considered a tap
+ // Other popular libs use anywhere from 2 (hammer.js) to 15,
+ // so 10 seems like a nice, round number.
+ var tapMovementThreshold = 10;
+
+ // The maximum length a touch can be while still being considered a tap
+ var touchTimeThreshold = 200;
+
+ var couldBeTap = void 0;
+
+ this.on('touchstart', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length === 1) {
+ // Copy pageX/pageY from the object
+ firstTouch = {
+ pageX: event.touches[0].pageX,
+ pageY: event.touches[0].pageY
+ };
+ // Record start time so we can detect a tap vs. "touch and hold"
+ touchStart = new Date().getTime();
+ // Reset couldBeTap tracking
+ couldBeTap = true;
+ }
+ });
+
+ this.on('touchmove', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length > 1) {
+ couldBeTap = false;
+ } else if (firstTouch) {
+ // Some devices will throw touchmoves for all but the slightest of taps.
+ // So, if we moved only a small distance, this could still be a tap
+ var xdiff = event.touches[0].pageX - firstTouch.pageX;
+ var ydiff = event.touches[0].pageY - firstTouch.pageY;
+ var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+
+ if (touchDistance > tapMovementThreshold) {
+ couldBeTap = false;
+ }
+ }
+ });
+
+ var noTap = function noTap() {
+ couldBeTap = false;
+ };
+
+ // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
+ this.on('touchleave', noTap);
+ this.on('touchcancel', noTap);
+
+ // When the touch ends, measure how long it took and trigger the appropriate
+ // event
+ this.on('touchend', function (event) {
+ firstTouch = null;
+ // Proceed only if the touchmove/leave/cancel event didn't happen
+ if (couldBeTap === true) {
+ // Measure how long the touch lasted
+ var touchTime = new Date().getTime() - touchStart;
+
+ // Make sure the touch was less than the threshold to be considered a tap
+ if (touchTime < touchTimeThreshold) {
+ // Don't let browser turn this into a click
+ event.preventDefault();
+ /**
+ * Triggered when a `Component` is tapped.
+ *
+ * @event Component#tap
+ * @type {EventTarget~Event}
+ */
+ this.trigger('tap');
+ // It may be good to copy the touchend event object and change the
+ // type to tap, if the other event properties aren't exact after
+ // Events.fixEvent runs (e.g. event.target)
+ }
+ }
+ });
+ };
+
+ /**
+ * This function reports user activity whenever touch events happen. This can get
+ * turned off by any sub-components that wants touch events to act another way.
+ *
+ * Report user touch activity when touch events occur. User activity gets used to
+ * determine when controls should show/hide. It is simple when it comes to mouse
+ * events, because any mouse event should show the controls. So we capture mouse
+ * events that bubble up to the player and report activity when that happens.
+ * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
+ * controls. So touch events can't help us at the player level either.
+ *
+ * User activity gets checked asynchronously. So what could happen is a tap event
+ * on the video turns the controls off. Then the `touchend` event bubbles up to
+ * the player. Which, if it reported user activity, would turn the controls right
+ * back on. We also don't want to completely block touch events from bubbling up.
+ * Furthermore a `touchmove` event and anything other than a tap, should not turn
+ * controls back on.
+ *
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchend
+ * @listens Component#touchcancel
+ */
+
+
+ Component.prototype.enableTouchActivity = function enableTouchActivity() {
+ // Don't continue if the root player doesn't support reporting user activity
+ if (!this.player() || !this.player().reportUserActivity) {
+ return;
+ }
+
+ // listener for reporting that the user is active
+ var report = Fn.bind(this.player(), this.player().reportUserActivity);
+
+ var touchHolding = void 0;
+
+ this.on('touchstart', function () {
+ report();
+ // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+ this.clearInterval(touchHolding);
+ // report at the same interval as activityCheck
+ touchHolding = this.setInterval(report, 250);
+ });
+
+ var touchEnd = function touchEnd(event) {
+ report();
+ // stop the interval that maintains activity if the touch is holding
+ this.clearInterval(touchHolding);
+ };
+
+ this.on('touchmove', report);
+ this.on('touchend', touchEnd);
+ this.on('touchcancel', touchEnd);
+ };
+
+ /**
+ * A callback that has no parameters and is bound into `Component`s context.
+ *
+ * @callback Component~GenericCallback
+ * @this Component
+ */
+
+ /**
+ * Creates a function that runs after an `x` millisecond timeout. This function is a
+ * wrapper around `window.setTimeout`. There are a few reasons to use this one
+ * instead though:
+ * 1. It gets cleared via {@link Component#clearTimeout} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will gets turned into a {@link Component~GenericCallback}
+ *
+ * > Note: You can use `window.clearTimeout` on the id returned by this function. This
+ * will cause its dispose listener not to get cleaned up! Please use
+ * {@link Component#clearTimeout} or {@link Component#dispose}.
+ *
+ * @param {Component~GenericCallback} fn
+ * The function that will be run after `timeout`.
+ *
+ * @param {number} timeout
+ * Timeout in milliseconds to delay before executing the specified function.
+ *
+ * @return {number}
+ * Returns a timeout ID that gets used to identify the timeout. It can also
+ * get used in {@link Component#clearTimeout} to clear the timeout that
+ * was set.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
+ */
+
+
+ Component.prototype.setTimeout = function setTimeout(fn, timeout) {
+ fn = Fn.bind(this, fn);
+
+ var timeoutId = _window2['default'].setTimeout(fn, timeout);
+ var disposeFn = function disposeFn() {
+ this.clearTimeout(timeoutId);
+ };
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.on('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Clears a timeout that gets created via `window.setTimeout` or
+ * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
+ * use this function instead of `window.clearTimout`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} timeoutId
+ * The id of the timeout to clear. The return value of
+ * {@link Component#setTimeout} or `window.setTimeout`.
+ *
+ * @return {number}
+ * Returns the timeout id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
+ */
+
+
+ Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
+ _window2['default'].clearTimeout(timeoutId);
+
+ var disposeFn = function disposeFn() {};
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.off('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Creates a function that gets run every `x` milliseconds. This function is a wrapper
+ * around `window.setInterval`. There are a few reasons to use this one instead though.
+ * 1. It gets cleared via {@link Component#clearInterval} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will be a {@link Component~GenericCallback}
+ *
+ * @param {Component~GenericCallback} fn
+ * The function to run every `x` seconds.
+ *
+ * @param {number} interval
+ * Execute the specified function every `x` milliseconds.
+ *
+ * @return {number}
+ * Returns an id that can be used to identify the interval. It can also be be used in
+ * {@link Component#clearInterval} to clear the interval.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
+ */
+
+
+ Component.prototype.setInterval = function setInterval(fn, interval) {
+ fn = Fn.bind(this, fn);
+
+ var intervalId = _window2['default'].setInterval(fn, interval);
+
+ var disposeFn = function disposeFn() {
+ this.clearInterval(intervalId);
+ };
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.on('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Clears an interval that gets created via `window.setInterval` or
+ * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
+ * use this function instead of `window.clearInterval`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} intervalId
+ * The id of the interval to clear. The return value of
+ * {@link Component#setInterval} or `window.setInterval`.
+ *
+ * @return {number}
+ * Returns the interval id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
+ */
+
+
+ Component.prototype.clearInterval = function clearInterval(intervalId) {
+ _window2['default'].clearInterval(intervalId);
+
+ var disposeFn = function disposeFn() {};
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.off('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Register a `Component` with `videojs` given the name and the component.
+ *
+ * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
+ * should be registered using {@link Tech.registerTech} or
+ * {@link videojs:videojs.registerTech}.
+ *
+ * > NOTE: This function can also be seen on videojs as
+ * {@link videojs:videojs.registerComponent}.
+ *
+ * @param {string} name
+ * The name of the `Component` to register.
+ *
+ * @param {Component} comp
+ * The `Component` class to register.
+ *
+ * @return {Component}
+ * The `Component` that was registered.
+ */
+
+
+ Component.registerComponent = function registerComponent(name, comp) {
+ if (!name) {
+ return;
+ }
+
+ name = (0, _toTitleCase2['default'])(name);
+
+ if (!Component.components_) {
+ Component.components_ = {};
+ }
+
+ if (name === 'Player' && Component.components_[name]) {
+ var Player = Component.components_[name];
+
+ // If we have players that were disposed, then their name will still be
+ // in Players.players. So, we must loop through and verify that the value
+ // for each item is not null. This allows registration of the Player component
+ // after all players have been disposed or before any were created.
+ if (Player.players && Object.keys(Player.players).length > 0 && Object.keys(Player.players).map(function (playerName) {
+ return Player.players[playerName];
+ }).every(Boolean)) {
+ throw new Error('Can not register Player component after player has been created');
+ }
+ }
+
+ Component.components_[name] = comp;
+
+ return comp;
+ };
+
+ /**
+ * Get a `Component` based on the name it was registered with.
+ *
+ * @param {string} name
+ * The Name of the component to get.
+ *
+ * @return {Component}
+ * The `Component` that got registered under the given name.
+ *
+ * @deprecated In `videojs` 6 this will not return `Component`s that were not
+ * registered using {@link Component.registerComponent}. Currently we
+ * check the global `videojs` object for a `Component` name and
+ * return that if it exists.
+ */
+
+
+ Component.getComponent = function getComponent(name) {
+ if (!name) {
+ return;
+ }
+
+ name = (0, _toTitleCase2['default'])(name);
+
+ if (Component.components_ && Component.components_[name]) {
+ return Component.components_[name];
+ }
+
+ if (_window2['default'] && _window2['default'].videojs && _window2['default'].videojs[name]) {
+ _log2['default'].warn('The ' + name + ' component was added to the videojs object when it should be registered using videojs.registerComponent(name, component)');
+
+ return _window2['default'].videojs[name];
+ }
+ };
+
+ /**
+ * Sets up the constructor using the supplied init method or uses the init of the
+ * parent object.
+ *
+ * @param {Object} [props={}]
+ * An object of properties.
+ *
+ * @return {Object}
+ * the extended object.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Component.extend = function extend(props) {
+ props = props || {};
+
+ _log2['default'].warn('Component.extend({}) has been deprecated, ' + ' use videojs.extend(Component, {}) instead');
+
+ // Set up the constructor using the supplied init method
+ // or using the init of the parent object
+ // Make sure to check the unobfuscated version for external libs
+ var init = props.init || props.init || this.prototype.init || this.prototype.init || function () {};
+ // In Resig's simple class inheritance (previously used) the constructor
+ // is a function that calls `this.init.apply(arguments)`
+ // However that would prevent us from using `ParentObject.call(this);`
+ // in a Child constructor because the `this` in `this.init`
+ // would still refer to the Child and cause an infinite loop.
+ // We would instead have to do
+ // `ParentObject.prototype.init.apply(this, arguments);`
+ // Bleh. We're not creating a _super() function, so it's good to keep
+ // the parent constructor reference simple.
+ var subObj = function subObj() {
+ init.apply(this, arguments);
+ };
+
+ // Inherit from this object's prototype
+ subObj.prototype = Object.create(this.prototype);
+ // Reset the constructor property for subObj otherwise
+ // instances of subObj would have the constructor of the parent Object
+ subObj.prototype.constructor = subObj;
+
+ // Make the class extendable
+ subObj.extend = Component.extend;
+
+ // Extend subObj's prototype with functions and other properties from props
+ for (var name in props) {
+ if (props.hasOwnProperty(name)) {
+ subObj.prototype[name] = props[name];
+ }
+ }
+
+ return subObj;
+ };
+
+ return Component;
+}();
+
+Component.registerComponent('Component', Component);
+exports['default'] = Component;